diff --git a/scstadmin/Makefile b/scstadmin/Makefile
index c6791f5cf..72bb5b831 100644
--- a/scstadmin/Makefile
+++ b/scstadmin/Makefile
@@ -85,7 +85,7 @@ install install_vendor:
 	done
 	# Remove the files that are obsolete since SCST-SCST has been
 	# renamed into SCST_SCST.
-	rm -rf "$$(/usr/bin/perl -V:sitearch | sed "s|.*='||;s|'.*||")/auto/SCST-SCST"
+	rm -rf "$(DESTDIR)$$(/usr/bin/perl -V:sitearch | sed "s|.*='||;s|'.*||")/auto/SCST-SCST"
 	# Install the files that have just been built.
 	install -d $(DESTDIR)$(INITDIR)
 	tmp=/tmp/scst-initd-$$$$ && init.d/scst >$$tmp &&               \